Re: [R] qqplot

From: Duncan Murdoch <murdoch_at_stats.uwo.ca>
Date: Tue 07 Feb 2006 - 23:18:10 EST

On 2/6/2006 9:59 AM, Vincent Negre wrote:
> Hello,
> I would like to use qqplot() to compare two
> experimental distributions. But I do not understand

> how qqplot() compute quantiles. In fact, quantile() do
> not return the same results.

Take a look at the source code. qqplot replaces the longer vector with one calculated by linear interpolation (that's what approx does) between the values of the other.

Duncan Murdoch



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